We're gradually updating threat actor names in our reports to align with the new weather-themed taxonomy. Learn about Microsoft threat actor names
Trojan:Win32/Sefnit.A
Detected by Microsoft Defender Antivirus
Aliases: Trojan.Sefnit.DB (VirusBuster) Bck/Harebot.M (Panda) TROJ_FRAUD.GG (Trend Micro)
Summary
Trojan:Win32/Sefnit.A is a trojan that may inject itself into Internet Explorer or Mozilla Firefox to hijack the search results for various search engines.
Manual removal is not recommended for this threat. To detect and remove this threat and other malicious software that may have been installed, run a full-system scan with an up-to-date antivirus product such as Microsoft Security Essentials, or the Microsoft Safety Scanner. For more information about using antivirus software, see http://www.microsoft.com/security/antivirus/av.aspx.
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